if ( gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (rd->cb[CB_CUSTOM])))
{
- char *text = gtk_entry_get_text (GTK_ENTRY (rd->entry));
+ const char *text = gtk_entry_get_text (GTK_ENTRY (rd->entry));
append_fragment (string, text, PSPPIRE_VAR_VIEW (rd->variables));
}